On the cause of tertiary contractions and related disturbances of the esophagus.
D002933:Cineradiography; D003680:Deglutition Disorders / Q000209:etiology*; D004935:Esophageal Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D006548:Hernia, Diaphragmatic / Q000150:complications; D006801:Humans; D007738:Kyphosis / Q000150:complications; D009119:Muscle Contraction; D013035:Spasm